Seal for headers



Feb. 25, 1930. w. A. JONES SEAL FOR HEADERS Filed April 20. 192 3 Sheets-Sheet 1 Fignl- MW w dww/ Feb. 25, 1930. w. A. JONES SEAL FOR HEADERS Filed April 20. 1926 5 Sheets-Sheet 2 H r r k m g a A f z 7 n n 11v VENTOR B Y W WA TTORNE Y5 Feb. 25, 1930. w. A. JONES SEAL FOR HEADERS Filed April 20. 1926 3 Sheets-Sheet 5 IN VEN TOR Patented Feb. 25 1930 l UNITED STATES, PATENT eerie 'W'IL LIAM JONES, OF WEST NEW BRIGHTON, NEW YORK, ASSIGN'OR TO THE BAB- GOCK & WILCOX COMPANY, OF BAYONNE,NEVT JERSEY, A CORPORATION OF NEVJ JERSEY:

sEAn non HEADERS Application filed April 20, 19.26. Serial No. 103,211.

L My invention more particularly relates to the first of which, in the embodiment illussealing means comprising blocks located between a header and a wall associated therewith.

My invention will best. be understood by reference to the accompanying drawings in fragmentary elevation, partly in section, of

a header and a sealing block associated therewith; Fig. 4 is a side view of Fig. 3, and Fig- 5 is a'sectional View taken on the line 5-5 of Fig. 3.

'Like reference characters indicate like I partsin the various views.

I have illustrated one embodiment of my invention in a steam boiler comprising a steam and water drum 10 and sinuous headers indicated generally at 11 and comprising an upper group or nest of headers 114 and a 7 lower group or nest 115 connected together by nipples 113, it being understood that the headers are connected to headers at the other side of the setting by boiler tubes, two of which are illustrated in Fig. 1 at l t, the headers being connected to thesteam and water drum by connections not illustrated. The headers are provided with the usual handhole fittings 112. The headers and tubes are located in a flue, two opposite walls of which are indicated at '15 and 16, sinuous sides of the end headers 111 facing the associated walls 15 and 16.

The space between the end headers and the associated wall is sealed by means comprising blocks 17 which are preferably formed of cast iron or other metal and having on the side facing the header the same contour as the facing side of the header itself, there preferably being one block to each depression 113 in the header, the block being formed with a convex portion 18 engaging the said depression. The edges of each block are also (preferably provided with flanges 19 and 20,

trated, is straight as it engages the plain side of the header .111, while the other flange 20 is stepped to conform to the stepped side of the header 111. The flanges 19 and 20 preferably engage grooves 21, 22 formed in the wall 15 (and 16) of the setting, and when the headers are vertical, as illustrated, the grooves in the wall of the setting will, of course, also be vertical. Suitable packing 23 and 2 1 is preferably interposed between the blocks 17 and the header and the wall of the setting between the flanges 19 and 20, respectively. I

The lowermost block associated with one of the headers 111 is preferably supported, and, in the embodiment illustrated, is supported on a lug 25 which is secured to the header itself, preferably by being welded thereto. Each of the remaining blocks is supported by the block immediately beneath the same, so that the blocks are all carried by the lug 25 and moved upwardly and downwardly with the movement of the header un der expansion and contraction of the latter. During such movement the'flanges 19 and 20 of the blocks slide within the grooves 21 and 22, thereby maintaining the seal between the end headers and the associated wall and preventing leakage of gases through the space between the header and wall.

I claim:

1. In combination, a wall, a header provided with a sinuous side facing towards said wall, and blocks, one for each depres sion of the header, the blocks having one side substantially conforming in contour to the facing portion of the sinuous side of said header and the opposite sides slidably engaging said wall, each block being provided at the edge of said side with flanges overlapping the edges of said header.

2. In'combination, a wall, a header provided with a sinuous side facing towards said wall, and blocks, one for each depression of'the header, the blocks having one side substantially conforming in contour to the facing portion of the sinuous'side of said header and the opposite sides slidably engaging said wall, said wall being provided with at least sion of the header, the blocks having one one groove, said blocks having a portion engageable with and slideable within said groove. 7 t

3. In combination, a wall, a header provided with a sinuous side facing towards said wall, and blocks, one for each depresside substantially conforming in contour to the facing portion of the sinuous side of said a header and the opposite sides slidably engaging said wall, said wall being provided with two spaced grooves, and saidblocks being formed with projections engaging and slidable in the respective groovesof said wall,

4. In combination, a wall, a header provided with a sinuous'side with a plurality of 7 super-jacent block.

5. In combination, a wall, a header provided with a sinuous side facing towards said wall, blocks, one for each depression of the header, the blocks having one side substantially conforming in contour to the facing portion of the sinuous side of said header and the opposite sides slidably engaging said wall, and a support welded to the header for the lowermost block, each of the remaining blocks. being supported onv the block beneath it. v v

6. In combination, a wall, a header provided with a sinuous side with a plurality of depressions facing towards said wall, blocks each having one side substantially conforming in contour to the facing portion of the sinuous side of said header and the oppositesides slidably engaging said wall, and a support secured to the header for the lowermost of said blocks, each of said blocks having an upwardly presented face in sealing and supporting engagement with its super-jacent block.

7. In combination, a wall, a header provided with a sinuous side with a plurality of depressions facing towards said wall, blocks, one for each depression of the header, the

' blocks having one side substantially conforming in contour to the facing portion of the V sinuous side of said header and the'oppojsite side slidably engaging said wall, and a sup- 7 I port secured to the header for the lowermost, block, each of said blocks having an up-' wardly presented face in'sealing and supporting engagement with its super-jac'ent block.

8. In combination, a wall, a header provided with a depression facingtowards said wall, a blockhaving a sidesubstantially conforming in contour to the facing portion of the depression in said header and the opposite side slidable relatively to said wall, and

means forming a groove and tongue engagement between said wall and said block.

' WILLIAM" A. JONES. 

